Australian Continental Margin Bathymetry and Potential Field Grids

The Australian Geological Survey Organisation produced digital bathymetry, gravity, and magnetic grids for Australia's continental margin. Grids have resolutions ranging from 250 to 1000 meters, integrating ship-track data with satellite and onshore sources. This dataset was published by the Australian Ocean Data Network.

Use Cases

• Analyze bathymetry grid data to model seafloor topography and identify submarine features.
• Interpret gravity anomaly grids to map variations in crustal density and geological structures.
• Use magnetic anomaly grids to investigate the distribution of magnetic minerals and tectonic history.
• Merge ship-track potential field data with satellite-derived sources for regional geological interpretation.

Strengths

• Grids provide a major upgrade of marine ship-track data in Australian waters.
• Data resolution is specified at 250 to 1000 meters.
• Integrates data from multiple sources including ship-tracks, satellites, and onshore surveys.

Limitations

• Specific row counts, column details, and sample data are unavailable.
• The exact temporal coverage and date of original data collection are not specified.
• File format is listed as HTML, which may not be the direct data format.

Provenance

Source

Australian Geological Survey Organisation, in cooperation with Desmond Fitzgerald and Associates and the Australian Hydrographic Service.

Collection Method

Ship-track data merged with satellite and high-resolution onshore sources, using levelling techniques to correct errors.

Freshness

Metadata last updated on 2026-04-04.

Geography

Australia's continental margin.